[c-index-test] Introduce '-index-compile-db' which accepts a compilation database file
and does an '-index-file' for all compile commands in the database.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169430 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed